Dr. Daniel Challis and Ellie Grimbridge stumble onto a gruesome murder scheme when Ellie's novelty-salesman father, Harry, is killed while in possession of a strange mask made by the Silver Shamrock mask company.

The Soviets have developed a revolutionary new jet fighter, called "Firefox". Naturally, the British are worried that the jet will be used as a first-strike weapon, as rumours say that the jet is indetectable on radar.

As Kevin Flynn searches for proof that he invented a hit video game, he is "digitalized" by a laser and finds himself inside The Grid, where programs suffer under the tyrannical rule of the Master Control Program.